Triple torsion coil spring



FIG. 1: is a perspective view of a triple torsion coil spring showing my new design

FIG. 2: is a front view thereof;

FIG. 3: is a rear view thereof;

FIG. 4: is a plan/inverted plan view

FIG. 5: is a right side view; and,

FIG. 6: is a left side view. 

The ornamental design of a triple torsion coil spring, as shown and described. 